change id for tag in navbar plugins

Netdisco/lib/App/Netdisco/Web/Plugin.pm

@@ -30,7 +30,7 @@ register 'register_template_path' => sub {
 register 'register_navbar_item' => sub {
   my ($self, $config) = plugin_args(@_);
 
-  if (!length $config->{id}
+  if (!length $config->{tag}
       or !length $config->{path}
       or !length $config->{label}) {
 
@@ -39,7 +39,7 @@ register 'register_navbar_item' => sub {
   }
 
   foreach my $item (@{ setting('navbar_items') }) {
-      if ($item->{id} eq $config->{id}) {
+      if ($item->{tag} eq $config->{tag}) {
           $item = $config;
           return;
       }

Netdisco/lib/App/Netdisco/Web/Plugin/Inventory.pm

@@ -6,7 +6,7 @@ use Dancer::Plugin::DBIC;
 use App::Netdisco::Web::Plugin;
 
 register_navbar_item({
-  id    => 'inventory',
+  tag   => 'inventory',
   path  => '/inventory',
   label => 'Inventory',
 });